78021080

素因数分解:

$2^3\times 5^1\times {\mathrm{1950527}}^1$

素因数の和:1950538

約数の個数: 16

約数和(自身を含む): 175547520

約数和(自身を除く): 97526440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1950527, 3901054, 7802108, 9752635, 15604216, 19505270, 39010540, 78021080]

約数ペア:

[(1, 78021080), (2, 39010540), (4, 19505270), (5, 15604216), (8, 9752635), (10, 7802108), (20, 3901054), (40, 1950527)]